نتایج جستجو برای: makers of our civilization engineers
تعداد نتایج: 21185364 فیلتر نتایج به سال:
in the first part of this thesis we explored wetting and its dynamics for small droplets. first, we showed how a simple feature of water droplets on a surface, i.e. laplace pressure, can be exploited to build a micropump. we investigated capillary pumping in microchannels both experimentally and numerically. putting two droplets of different sizes at the in/outlet of a microchannel, will ge...
Effective uncertainty quantification (UQ) begins at the earliest phase in the design phase for which there are adequate models and continues tightly integrated to the analysis and design cycles as the refinement of the models and the fidelity of the tools increase. It is essential that uncertainty quantification strategies provide objective information to support the processes of identifying, a...
efl/esl textbooks have been regarded as essential language teaching materials with which the learners spend about 70 up to 90 percent of their class time. the important role they play and their vast use make them not only influential in learning the language but also in shaping values and attitudes. put it another way, textbooks socialize learners using their contents (i.e. texts, illustrations...
We compute the detectability of directed energy sources from distant civilizations that may exist. Recent advances in our own directed energy abilities allow us to foresee our own capability that will radically change our ability to broadcast our presence and hence allow us to ponder the reverse case of detection. In the next few decades we will evolve to the point where we will be able to prod...
abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...
Abstract We present some parts of our Maths for Engineers teaching concept: above all, motivation: sometimes mathematics teachers observe that engineering students, example, perceive the maths concepts as a useless evil them and therefore learn with little motivation sustainability. When are later used in other subjects, students do not know how to apply value education very highly. solve probl...
cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...
Patrick white set the terms of the debate over his work when in his essay “Prodigal Son” he declared his hope that he might “be helping the people of a barely inhabited country to become a race possessed of understanding”. In other words, he sees his work as providing a kind of gnosis. Critical debate therefore has quite properly turned on the quality, and in particular, on the implications of ...
plagiarism in esl/efl learning contexts has been established as a dynamic and multi-layered phenomenon and has become a topic engaging many researchers in a heated debate in recent years. comparisons of student-generated texts with their source texts have shown that students rely on source texts in their writings and copying is a major strategy used by both l1 and l2 writers. in our country a...
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